<%@ page import="java.util.List" %>
<%@ page import="java.util.ArrayList" %>
<%@ page import="java.sql.Connection" %>
<%@ page import="java.sql.Statement" %>
<%@ page import="java.sql.ResultSet" %>
<%@ page import="java.sql.DriverManager" %>
<%--
  Created by IntelliJ IDEA.
  User: Administrator
  Date: 2018-4-2
  Time: 19:53
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>

<%
    // 未登录
    if(session.get("username") == null){

        // 跳转
        response.sendRedirect("login.jsp");
    }
%>

<style type="text/css">

    table {

        border-collapse: collapse;
    }

    td {
        border: 1px solid #000;
        padding: 10px;
    }
</style>

<!-- include 动作-->
<jsp:include page="header.jsp"></jsp:include>

<table>

    <tr>
        <td>编号</td>
        <td>姓名</td>
        <td>密码</td> <!-- ctrl + D -->
        <td>操作1</td> <!-- ctrl + W -->
        <td>操作2</td> <!-- ctrl + D -->
    </tr>

    <%
        class User {
            int id;
            String name;
            String password;
        }

        List<User> userList = new ArrayList<User>();

//        User chen = new User();
//        chen.id = 1;
//        chen.name = "chengongsuo";
//        chen.password = "123";
//
//        userList.add(chen);

        // 3 + 1
        Connection connection = null;
        Statement statement = null;
        ResultSet resultSet = null;

        String sql = "select * from t_users";

        // 加载驱动程序
        Class.forName("com.mysql.jdbc.Driver");

        connection = DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/sctu_javaweb_2018?serverTimezone=UTC", // 数据库连接字符串
                "root",
                "sctu123456" // 123456
        );

        statement = connection.createStatement();

        resultSet = statement.executeQuery(sql);

        while (resultSet.next()) {

            int id = resultSet.getInt(1);
            String name = resultSet.getString(2);
            String password = resultSet.getString(3);

            User user = new User();
            user.id = id;
            user.name = name;
            user.password = password;

            userList.add(user);

        }
        resultSet.close();
        statement.close();
        connection.close();

<<<<<<< Updated upstream
=======
        List<User> userList=new ArrayList<User>();
        // User chen=new Use);
        // chen.id=1;
        //chen.name="chengongsuo";
        // chen.password="123";
        Connection connection=null;
        Statement statement=null;
        ResultSet resultSet=null;
        String sql="select * from t_users";
        Class.forName("com.mysql.jdbc.Driver");

        // userList.add(chen);
        //加载驱动程序
        connection= DriverManager.getConnection(
                "jdbc:mysql://localhost:3306/sctu_javaweb" +
                        "_2018?serverTimezone=UTC",
                "root",
                "123456"

        );
        statement=connection.createStatement();
        resultSet=statement.executeQuery(sql);
        while (resultSet.next()){
            int id=resultSet.getInt(1);
            String name=resultSet.getString(2);
            String password=resultSet.getString(3);

            User user=new User();
            user.setId(id);
            user.setName(name);
            user.setPassword(password);
            userList.add(user);
        }
        resultSet.close();
        statement.close();
        connection.close();
        pageContext.setAttribute("userlist",userList);
    %>

>>>>>>> Stashed changes

        for (User user : userList) {

            // 221
            // 2 "
            // 2 +
            // 1 变量
            out.wr
            ite("<tr>" +
                    "<td>" + user.id + "</td>" +
                    "<td>" + user.name + "</td>" +
                    "<td>" + user.password + "</td>" +
                    "<td><a href='deleteUserHandler.jsp?id="+user.id+"'>删除</a></td>" +
                    "<td><a href='userUpdate.jsp?id="+user.id+"&username="+user.name+"&password="+user.password+"'>更新</a></td>" +
                    "</tr>");
        }

    %>


</table>



<!-- include指令 -->
<%@include file="footer.jsp"%>

</body>
</html>
